package com.xzcf.entity;

import java.sql.Timestamp;
import java.util.List;
import java.util.Set;
import org.hibernate.LockMode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

/**
 * A data access object (DAO) providing persistence and search support for Item
 * entities. Transaction control of the save(), update() and delete() operations
 * can directly support Spring container-managed transactions or they can be
 * augmented to handle user-managed Spring transactions. Each of these methods
 * provides additional information for how to configure it for the desired type
 * of transaction control.
 * 
 * @see com.xzcf.entity.Item
 * @author MyEclipse Persistence Tools
 */

public class ItemDAO extends HibernateDaoSupport {
	private static final Logger log = LoggerFactory.getLogger(ItemDAO.class);
	// property constants
	public static final String NAME = "name";
	public static final String HOW_OLD = "howOld";
	public static final String FLOOR_PRICE = "floorPrice";
	public static final String RATE = "rate";
	public static final String TYPE = "type";
	public static final String ITEM_DESC = "itemDesc";
	public static final String DONOR_NAME = "donorName";
	public static final String OWNER_NAME = "ownerName";
	public static final String STATUS = "status";

	protected void initDao() {
		// do nothing
	}

	public void save(Item transientInstance) {
		log.debug("saving Item instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Item persistentInstance) {
		log.debug("deleting Item instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Item findById(java.lang.String id) {
		log.debug("getting Item instance with id: " + id);
		try {
			Item instance = (Item) getHibernateTemplate().get(
					"com.xzcf.entity.Item", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Item instance) {
		log.debug("finding Item instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Item instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Item as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}
	public List findByProperty(String propertyName1, Object value1,String propertyName2, Object value2) {
		log.debug("finding Item instance with property: " + propertyName1
				+ ", value: " + value1 + " " + propertyName2
				+ ", value: " + value2);
		try {
			String queryString = "from Item as model where model."
					+ propertyName1 + "= ?" + " and model." + propertyName2 + "= ?";
			return getHibernateTemplate().find(queryString, value1,value2);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}
	
	public List findByStatusAndName(Object status,Object name){
		return findByProperty(STATUS,status,NAME,name);
	}
	public List findByStatusAndType(Object status,Object type){
		return findByProperty(STATUS,status,TYPE,type);
	}
	public List findByName(Object name) {
		return findByProperty(NAME, name);
	}

	public List findByHowOld(Object howOld) {
		return findByProperty(HOW_OLD, howOld);
	}

	public List findByFloorPrice(Object floorPrice) {
		return findByProperty(FLOOR_PRICE, floorPrice);
	}

	public List findByRate(Object rate) {
		return findByProperty(RATE, rate);
	}

	public List findByType(Object type) {
		return findByProperty(TYPE, type);
	}

	public List findByItemDesc(Object itemDesc) {
		return findByProperty(ITEM_DESC, itemDesc);
	}

	public List findByDonorName(Object donorName) {
		return findByProperty(DONOR_NAME, donorName);
	}

	public List findByOwnerName(Object ownerName) {
		return findByProperty(OWNER_NAME, ownerName);
	}

	public List findByStatus(Object status) {
		return findByProperty(STATUS, status);
	}

	public List findAll() {
		log.debug("finding all Item instances");
		try {
			String queryString = "from Item";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Item merge(Item detachedInstance) {
		log.debug("merging Item instance");
		try {
			Item result = (Item) getHibernateTemplate().merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Item instance) {
		log.debug("attaching dirty Item instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Item instance) {
		log.debug("attaching clean Item instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static ItemDAO getFromApplicationContext(ApplicationContext ctx) {
		return (ItemDAO) ctx.getBean("ItemDAO");
	}
}